Base | Representation |
---|---|
bin | 1000111100100… |
… | …00110010110011 |
3 | 12020012112020021 |
4 | 10132100302303 |
5 | 123202320341 |
6 | 11240224311 |
7 | 1600563154 |
oct | 436206263 |
9 | 166175207 |
10 | 75041971 |
11 | 393a5164 |
12 | 2116b097 |
13 | 12715744 |
14 | 9d7592b |
15 | 68c49d1 |
hex | 4790cb3 |
75041971 has 2 divisors, whose sum is σ = 75041972. Its totient is φ = 75041970.
The previous prime is 75041969. The next prime is 75041999. The reversal of 75041971 is 17914057.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 75041971 - 21 = 75041969 is a prime.
Together with 75041969, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (75041471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37520985 + 37520986.
It is an arithmetic number, because the mean of its divisors is an integer number (37520986).
Almost surely, 275041971 is an apocalyptic number.
75041971 is a deficient number, since it is larger than the sum of its proper divisors (1).
75041971 is an equidigital number, since it uses as much as digits as its factorization.
75041971 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8820, while the sum is 34.
The square root of 75041971 is about 8662.6768957407. The cubic root of 75041971 is about 421.7949840088.
The spelling of 75041971 in words is "seventy-five million, forty-one thousand, nine hundred seventy-one".
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